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Cheap flights from Washington, D.C. to Knock from €903

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Washington, D.C. to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:45 - 12:35
IAD
-
NOC
21h 50m
2 stops
Multiple Airlines Logo
13:05 - 14:22
NOC
-
IAD
30h 17m
2 stops
€903Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
15:45 - 12:35
IAD
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
09:25 - 20:35
NOC
-
IAD
40h 10m
3 stops
€915Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
15:45 - 12:35
IAD
-
NOC
15h 50m
3 stops
Multiple Airlines Logo
09:25 - 20:35
NOC
-
IAD
40h 10m
3 stops
€920Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
British Airways Logo
17:45 - 12:35
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
13:05 - 19:40
NOC
-
IAD
11h 35m
1 stop
€922British Airways
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
17:45 - 12:35
IAD
-
NOC
13h 50m
1 stop
Multiple Airlines Logo
13:05 - 20:20
NOC
-
IAD
12h 15m
1 stop
€924Multiple Airlines
Mon, 14 Sep - Tue, 22 Sep
Aer Lingus Logo
20:55 - 12:35
IAD
-
NOC
34h 40m
2 stops
Aer Lingus Logo
13:05 - 15:45
NOC
-
IAD
31h 40m
2 stops
€936Aer Lingus
Mon, 14 Sep - Tue, 22 Sep
Multiple Airlines Logo
15:45 - 12:35
IAD
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
13:05 - 15:30
NOC
-
IAD
31h 25m
1 stop
€939Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
15:40 - 12:35
IAD
-
NOC
15h 55m
2 stops
Multiple Airlines Logo
13:05 - 15:30
NOC
-
IAD
31h 25m
1 stop
€940Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Aer Lingus Logo
17:15 - 12:35
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
13:05 - 20:20
NOC
-
IAD
12h 15m
1 stop
€951Aer Lingus
Mon, 14 Sep - Tue, 22 Sep
Aer Lingus Logo
17:45 - 12:35
IAD
-
NOC
13h 50m
1 stop
Aer Lingus Logo
13:05 - 15:45
NOC
-
IAD
31h 40m
2 stops
€966Aer Lingus
Mon, 14 Sep - Tue, 22 Sep

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British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
2 Sept
IAD17:45Washington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35Knock Intl
9 Sept
NOC13:05Knock Intl
11h 35m
1 stop
IAD19:40Washington, D.C. Dulles Intl
€922
British Airways
3 Sept
IAD17:45Washington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35Knock Intl
7 Sept
NOC13:05Knock Intl
32h 59m
2 stops
IAD17:04Washington, D.C. Dulles Intl
€1,014
British Airways
29 Jul
IAD17:15Washington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35Knock Intl
5 Aug
NOC13:05Knock Intl
11h 35m
1 stop
IAD19:40Washington, D.C. Dulles Intl
€1,025

Aer Lingus flights from Washington, D.C. to Knock

Our best Aer Lingus deals on Washington, D.C. to Knock flight tickets
Aer Lingus
14 Sept
IAD20:55Washington, D.C. Dulles Intl
34h 40m
2 stops
NOC12:35Knock Intl
22 Sept
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€936
Aer Lingus
14 Sept
IAD17:15Washington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35Knock Intl
22 Sept
NOC13:05Knock Intl
12h 15m
1 stop
IAD20:20Washington, D.C. Dulles Intl
€951
Aer Lingus
14 Sept
IAD17:45Washington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35Knock Intl
22 Sept
NOC13:05Knock Intl
31h 40m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€966

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 18 June 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

09:45-12:35

2 stops21h 50m

Knock Intl

Wed 9/9

13:05-14:22

2 stops30h 17m

€903

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

15:45-12:35

2 stops15h 50m

Knock Intl

Wed 9/9

09:25-20:35

3 stops40h 10m

€915

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

15:45-12:35

3 stops15h 50m

Knock Intl

Wed 9/9

09:25-20:35

3 stops40h 10m

€920
Fastest return journey

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

17:45-12:35

1 stop13h 50m

Knock Intl

Wed 9/9

13:05-19:40

1 stop11h 35m

€922

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 14/9

17:45-12:35

1 stop13h 50m

Knock Intl

Tue 22/9

13:05-20:20

1 stop12h 15m

€924

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 14/9

20:55-12:35

2 stops34h 40m

Knock Intl

Tue 22/9

13:05-15:45

2 stops31h 40m

€936

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

15:45-12:35

2 stops15h 50m

Knock Intl

Wed 9/9

13:05-15:30

1 stop31h 25m

€939

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/9

15:40-12:35

2 stops15h 55m

Knock Intl

Wed 9/9

13:05-15:30

1 stop31h 25m

€940

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 14/9

17:15-12:35

2 stops14h 20m

Knock Intl

Tue 22/9

13:05-20:20

1 stop12h 15m

€951

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 14/9

17:45-12:35

1 stop13h 50m

Knock Intl

Tue 22/9

13:05-15:45

2 stops31h 40m

€966

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 9h 50m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 15h 10m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Knock takes 13h 50m
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Knock

  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 13h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Westport
Sligo
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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